Datasheet for LTC1503IS8-1.8#TRPBF:
- Manufacturer Part Number : LTC1503IS8-1.8#TRPBF
- Manufacturer : AD
- Description : High Efficiency Inductorless Step-Down DC/DC Converter IC
- Series : LTC1503
- Reference Price : USD 1.688
- Our Price : We have a better price, contact us by email
- Product Type : Inductorless (Charge Pump) DC/DC Converters
- Function : Regulated Step-Down Charge Pumps
- Current Suggest : Production
- Status : Production
- ROHS Status : ROHS Compliant (Lead Free)
- Package Type : 8-Lead SOIC (Narrow 0.15 Inch)
- Pins : 8
- MFG Package Case : 05-08-1610 (S8)
- Part Type : REEL
- Standard Packing Type : Reel
- Standard Packing Quantity : 2500
- Working Temperature : -40 to 125C
- Other Part Number : LTC1503IS8-1.8#TRPBF
- Shipping methods : DHL FEDEX UPS TNT
- Delivery Time : Ship within 1 day.
- Manufacturer Production time : 6-8 weeks (Normally have stocks)
- Weight : 0.001KG
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The LTC1503-1.8/LTC1503-2 are switched capacitor step-down DC/DC converters that produce a regulated output from a 2.4V to 6V input. The parts use switched capacitor fractional conversion to achieve high efficiency over the entire input range. No inductors are required. Internal circuitry controls the step-down conversion ratio to optimize efficiency as the input voltage and load conditions vary. Typical efficiency is 25% higher than that of a low dropout (LDO) linear regulator.
Regulation is achieved by sensing the output voltage and enabling the internal switching network as needed to maintain a fixed output voltage. This method of regulation enables the parts to achieve high efficiency at extremely light loads. Low operating current (25µA with no load, 5µA in shutdown) and low external parts count (two 1µF flying capacitors and two 10µF bypass capacitors) make the LTC1503-1.8/LTC1503-2 ideally suited for space constrained battery-powered applications. The parts are fully short-circuit and over temperature protected.
The LTC1503-1.8/LTC1503-2 are available in 8-pin MSOP and SO packages.
Applications
- Cellular Phones
- Handheld Computers
- Smart Card Readers
- Low Power DSP Supplies
- Portable Electronic Equipment
- Handheld Medical Instruments
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
